<template>
  <a-typography-paragraph v-if="spaceId" type="secondary">
    保存至空间：<a :href="`/space/${spaceId}`" target="_blank">{{ spaceId }}</a>
  </a-typography-paragraph>
  <div class="picture-upload">
    <a-upload
      list-type="picture-card"
      :show-upload-list="false"
      :custom-request="handleUpload"
      :before-upload="beforeUpload"
    >
      <img v-if="picture?.url" :src="picture?.url" alt="avatar" />
      <div v-else>
        <loading-outlined v-if="loading"></loading-outlined>
        <plus-outlined v-else></plus-outlined>
        <div class="ant-upload-text">点击或拖拽上传图片</div>
      </div>
    </a-upload>
  </div>
</template>
<script lang="ts" setup>
import { computed, ref } from 'vue'
import { PlusOutlined, LoadingOutlined } from '@ant-design/icons-vue'
import { message } from 'ant-design-vue'
import type { UploadChangeParam, UploadProps } from 'ant-design-vue'
import { uploadPictureUsingPost } from '@/api/pictureController'
import { useRoute } from 'vue-router'

//受控组件，由父元素 图片创建页面来管理 定义属性
interface Props {
  picture?: API.PictureVO
  onSuccess?: (newPicture: API.PictureVO) => void
}

const props = defineProps<Props>()

//是否为加载中
const loading = ref<boolean>(false)
const imageUrl = ref<string>('')

const route = useRoute();
// 空间 id
const spaceId = computed(() => {
  return route.query?.spaceId
})
//处理上传
const handleUpload = async ({ file }: any) => {
  //设置为加载中
  loading.value = true
  try {
    //设置参数
    const params :API.PictureUploadDTO = props.picture ? {id:props.picture.id} :{};
    params.spaceId = spaceId.value
    const res = await uploadPictureUsingPost(params,{},file)
    if (res.data.code === 0 && res.data.data  ) {
      message.success('图片上传成功')
      // 将上传成功的图片信息传递给父组件
      props.onSuccess?.(res.data.data)
    }else{
      message.error('图片上传失败,'+res.data.msg)
    }
  } catch(error){
    message.error('图片上传失败')
  }finally{
    loading.value = false
  }



}
// const handleChange = (info: UploadChangeParam) => {
//   if (info.file.status === 'uploading') {
//     loading.value = true
//     return
//   }
//   if (info.file.status === 'done') {
//     // Get this url from response in real world.
//     getBase64(info.file.originFileObj, (base64Url: string) => {
//       imageUrl.value = base64Url
//       loading.value = false
//     })
//   }
//   if (info.file.status === 'error') {
//     loading.value = false
//     message.error('upload error')
//   }
// }
//上传图片之前的校验函数
const beforeUpload = (file: UploadProps['fileList'][number]) => {
  const isJpgOrPng = file.type === 'image/jpeg' || file.type === 'image/png'
  if (!isJpgOrPng) {
    message.error('不支持上传该格式的图片，推荐 jpg 或 png')
  }
  const isLt2M = file.size / 1024 / 1024 < 2
  if (!isLt2M) {
    message.error('不能上传超过2M的图片')
  }
  return isJpgOrPng && isLt2M
}
</script>
<style scoped>
.avatar-uploader > .ant-upload {
  width: 128px;
  height: 128px;
}
.ant-upload-select-picture-card i {
  font-size: 32px;
  color: #999;
}

.ant-upload-select-picture-card .ant-upload-text {
  margin-top: 8px;
  color: #666;
}
.picture-upload :deep(.ant-upload) {
  width: 100% !important;
  height: 100% !important;
  min-height: 152px;
  min-width: 152px;
}
/*优化组件样式*/
.picture-upload img {
  max-width: 100%;
  max-height: 480px;
}

.ant-upload-select-picture-card i {
  font-size: 32px;
  color: #999;
}

.ant-upload-select-picture-card .ant-upload-text {
  margin-top: 8px;
  color: #666;
}

</style>
